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The BeiDou Navigation Satellite System or BeiDou-2 was formerly known as COMPASS. This system will consist of 35 satellites, which include 5 geostationary orbit satellites for backward compatibility with BeiDou-1, and 30 non-geostationary satellites (27 in medium Earth orbit and 3 in inclined geosynchronous orbit), that will offer complete coverage of the globe.

The BeiDou GNSS solution operates in the following frequency bands:

B1 band: 1559.05 MHz to 1563.15 MHz with a center frequency of 1561.1 MHz and a bandwidth of 4.092 MHz

B2 band: 1195.14 MHz to1219.14 MHz with a center frequency of 1207.14 MHz and a bandwidth of 24 MHz

B3 band: 1256.52 MHz to 1280.52 MHz with a center frequency of 1268.52 MHz and a bandwidth of 24 MHz